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10330451561 is a prime number
BaseRepresentation
bin10011001111011111…
…00010111001101001
3222122221120022110002
421213233202321221
5132124043422221
64425025232345
7513666250403
oct114757427151
928587508402
1010330451561
1144212a8181
1220037926b5
13c882ba941
146dddc1b73
15406dd480b
hex267be2e69

10330451561 has 2 divisors, whose sum is σ = 10330451562. Its totient is φ = 10330451560.

The previous prime is 10330451539. The next prime is 10330451567. The reversal of 10330451561 is 16515403301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8782501225 + 1547950336 = 93715^2 + 39344^2 .

It is an emirp because it is prime and its reverse (16515403301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10330451561 is a prime.

It is not a weakly prime, because it can be changed into another prime (10330451567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5165225780 + 5165225781.

It is an arithmetic number, because the mean of its divisors is an integer number (5165225781).

Almost surely, 210330451561 is an apocalyptic number.

It is an amenable number.

10330451561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10330451561 is an equidigital number, since it uses as much as digits as its factorization.

10330451561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 10330451561 its reverse (16515403301), we get a palindrome (26845854862).

The spelling of 10330451561 in words is "ten billion, three hundred thirty million, four hundred fifty-one thousand, five hundred sixty-one".